activity
20202026
most citedDeep Learning-Based Approaches for Contactless Fingerprints Segmentation and Extraction

3 citations · 4 across the 8 of their papers we have counts for

collaborators

9 papers

cs.CV2026

Generation of Synthetic Fingerphotos with GANs

Conor Miller-Lynch, Sandip Purnapatra, Syed Konain Abbas +4

Contactless fingerprinting is an emerging approach to biometric authentication that allows users to scan their fingerprints without touching a scanner. Due to the limited amount of…

cs.CV2025

Conditional Synthetic Live and Spoof Fingerprint Generation

Syed Konain Abbas, Sandip Purnapatra, M. G. Sarwar Murshed +5

Large fingerprint datasets, while important for training and evaluation, are time-consuming and expensive to collect and require strict privacy measures. Researchers are exploring…

cs.CV2024

A large-scale study of performance and equity of commercial remote identity verification technologies across demographics

Kaniz Fatima, Michael Schuckers, Gerardo Cruz-Ortiz +6

As more types of transactions move online, there is an increasing need to verify someone's identity remotely. Remote identity verification (RIdV) technologies have emerged to fill…

cs.CV2023★ 3 cited

Deep Learning-Based Approaches for Contactless Fingerprints Segmentation and Extraction

M. G. Sarwar Murshed, Syed Konain Abbas, Sandip Purnapatra +2

Fingerprints are widely recognized as one of the most unique and reliable characteristics of human identity. Most modern fingerprint authentication systems rely on contact-based fi…

cs.CV2023

Iris Liveness Detection Competition (LivDet-Iris) -- The 2023 Edition

Patrick Tinsley, Sandip Purnapatra, Mahsa Mitcheff +18

This paper describes the results of the 2023 edition of the ''LivDet'' series of iris presentation attack detection (PAD) competitions. New elements in this fifth competition inclu…

cs.CV2023★ 1 cited

Liveness Detection Competition -- Noncontact-based Fingerprint Algorithms and Systems (LivDet-2023 Noncontact Fingerprint)

Sandip Purnapatra, Humaira Rezaie, Bhavin Jawade +19

Liveness Detection (LivDet) is an international competition series open to academia and industry with the objec-tive to assess and report state-of-the-art in Presentation Attack De…

cs.CV2023

Presentation Attack Detection with Advanced CNN Models for Noncontact-based Fingerprint Systems

Sandip Purnapatra, Conor Miller-Lynch, Stephen Miner +4

Touch-based fingerprint biometrics is one of the most popular biometric modalities with applications in several fields. Problems associated with touch-based techniques such as the…

stat.ME2022

Statistical Methods for Assessing Differences in False Non-Match Rates Across Demographic Groups

Michael Schuckers, Sandip Purnapatra, Kaniz Fatima +2

Biometric recognition is used across a variety of applications from cyber security to border security. Recent research has focused on ensuring biometric performance (false negative…

cs.CV2020

Iris Liveness Detection Competition (LivDet-Iris) -- The 2020 Edition

Priyanka Das, Joseph McGrath, Zhaoyuan Fang +20

Launched in 2013, LivDet-Iris is an international competition series open to academia and industry with the aim to assess and report advances in iris Presentation Attack Detection…